Home / 153,726.40-212,081.22-93,274.84

Finding the Fourth Proportional to 153,726.40, 212,081.22 and 93,274.84

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Solution

The fourth proportional to 153,726.40, 212,081.22 and 93,274.84 is: 128,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,726.40 : 212,081.22 = 93,274.84 : x
  2. Step 2: Convert to fraction form
    153,726.40/212,081.22 = 93,274.84/x
  3. Step 3: Cross multiply
    153,726.40x = 212,081.22 × 93,274.84
  4. Step 4: Simplify right side
    153,726.40x = 19,781,841,862.50
  5. Step 5: Solve for x
    x = 19,781,841,862.50/153,726.40
  6. Step 6: Final answer
    x = 128,682.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.